In article , "Tom $herman (-_-)" says...

On 8/8/2012 10:46 AM, Sarah Ehrett wrote:
To some, maybe to most but not to engineers. In the simplest terms
Krausie : Motors are powered by electricity. Engines have internal
combustion. [...

What about other types of motors, such as hydraulic? (Common on some
types of agricultural and construction equipment.)

And I've never heard of the propulsive machinery of a warship referred
to as a steam motor, however it has external combustion.